func (a *Announce) SendOutAnnounce(recipients []*Participant) error {
//TODO Add code to actually send out to participants when it works.
server, err := network.NewTCPServer(7777)
if err != nil {
log.Fatal("TCP Server not initialized")
}
for _, i := range recipients {
s, err := json.Marshal(a)
s = []byte(string(rune(0)) + string(s))
if err != nil {
log.Fatal(err)
}
c := new(common.Message)
c.Payload = s
c.Destination = i.Address
err = server.SendMessage(c)
if err != nil {
log.Fatal(err)
}
}
return nil
}
func CreateFileAnnounce(file string) *Announce {
A := new(Announce)
f, err := os.Open(file)
if err != nil {
log.Fatal(err)
}
defer f.Close()
c, err := f.Stat()
if err != nil {
}
A.Size = int(c.Size())
//this should be enough.
A.Chunks = A.Size / (1 << 20)
//Chunk File
d := make([]byte, A.Size/(1<<20))
indexs := 0
//generate ID and dump the chunks into files
//A.ID=""
for _ = 0; err != io.EOF; _, err = f.Read(d) {
if err != nil {
}
redunt, _ := erasure.EncodeRing(A.Chunks, A.Size/A.Chunks, d)
A.Chunks = len(redunt)
indexs = indexs + 1
for index, val := range redunt {
k, e := os.Open(fmt.Sprintf("%s-%d%d", A.ID, indexs, index))
if e != nil {
log.Fatal(e)
}
if _, e = k.Write([]byte(val)); e != nil {
log.Fatal(e)
}
}
}
return A
}
// Removes all traces of a participant from the State
func (s *State) tossParticipant(pi participantIndex) {
// remove from s.Participants
s.participants[pi] = nil
// remove from s.PreviousEntropyStage1
var emptyEntropy common.Entropy
zeroHash, err := crypto.CalculateTruncatedHash(emptyEntropy[:])
if err != nil {
log.Fatal(err)
}
s.previousEntropyStage1[pi] = zeroHash
// nil map in s.Heartbeats
s.heartbeats[pi] = nil
}